2 Answers
2

I think some of it is probably genetics, like how large your ribcage is. I'm not really sure, but that is probably not going to change that much. So it is very likely that regardless what you do you won't look exactly like the guy on the photo. Nevertheless, you can do the best with what you have.

Since you probably can't widen your ribcage you can do something with you chest and back muscles. For that you need a little surplus in energy (eat more then spend).
For training I would recommend chins, press and bench press for your upper body development. Throw in deadlifts and squats for symmetry. Try to lift heavier and heavier. I think starting strength is a pretty good point to start from.

Thanks for your advise. How many reps should I do? As in, high rep or low rep?
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Richard80Oct 30 '12 at 17:03

@Richard80 If you're new to squats/deadlifts/presses, I'd focus on a general strength program like I describe here. You don't necessarily have to eat big, but a basic barbell program would be called for. If you're familiar with barbell work I can't say I'm knowledgable enough to give further advice.
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Dave LiepmannOct 30 '12 at 17:16